more update

hathach · Jun 14, 2024 · e101299 · e101299
1 parent f32851c
commit e101299
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/hw/bsp/ch32v10x/family.c b/hw/bsp/ch32v10x/family.c
@@ -68,16 +68,17 @@ void board_init(void) {
   SysTick_Config(SystemCoreClock / 1000);
 #endif
 
+  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
+
+  EXTEN->EXTEN_CTR |= EXTEN_USBFS_IO_EN;
   uint8_t usb_div;
   switch (SystemCoreClock) {
     case 48000000: usb_div = RCC_USBCLKSource_PLLCLK_Div1; break;
     case 72000000: usb_div = RCC_USBCLKSource_PLLCLK_1Div5; break;
     default: TU_ASSERT(0,); break;
   }
   RCC_USBCLKConfig(usb_div);
-  RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE);
-
-  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
+  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_USBFS, ENABLE);
 
   #ifdef LED_PIN
   GPIO_InitTypeDef led_init = {